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Stay comfortable and dry from the bottom up in Merino Wool Base Layer Long Underwear. Made with a proprietary blend of lightweight jersey, mesh and Merino wool they have a super-soft feel against your skin, plus feature a flat-lock seam construction that reduces chafing. A great start to your high performance outfit!
Made in the USA and Berry Amendment compliant, the New Balance Merino wool base layer system offers year-round comfort with fabrics that are moisture-wicking, odor-resistant and fast drying.

Elastic waistband for a custom fit

Flatlock stitching minimizes chafing

Body: Merino wool lightweight jersey, proprietary blend

Jersey underfly for added comfort

Machine washable, non-itch fabrics with high warmth-to-weight ratio that's fast wicking and drying and keeps you warm even when wet